"Self-drive travel" is the most direct translation. However, if you want to provide a more detailed and comprehensive explanation with English phrases, you could say:
"An independent journey by car, allowing travelers to explore destinations at their own pace and convenience."
"A road trip where the participants drive themselves to various locations, often accompanied by a flexible itinerary."
"Autonomous travel by vehicle, featuring personalized routes and the freedom to stop and see what interests you along the way."
"Driving adventure, where you navigate the roads to uncover hidden gems and unique experiences."
"Self-directed vehicular exploration, offering the autonomy to tailor your travel experience to your preferences."
